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Question:

Power Cable Check Well b-type covers show what?

Power Cable Check Well b-type covers show what?

Answer:

A grade steel fiber concrete inspection covers are used for airports or special roads and venues for expressways that can take off and land for helicopters
B-grade steel fiber concrete check covers are used for motor vehicle driving, parked urban roads, highways and parking lots C-grade steel fiber concrete check covers for slow lanes, residential quarters and sidewalks D-grade steel fiber concrete inspection covers for green belts and motor vehicles can not travel, parked lanes and venues
Indicating the carrying capacity of the covers, according to "People's Republic of China town construction industry standards" to understand that: steel fiber reinforced concrete inspection covers are divided into A, B, C, D four

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